ios 調用印表機

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源碼

無意中玩一個demo發現調用了印表機  才發現ios有快速調用印表機的功能.

　　

 1 if ([UIPrintInteractionController isPrintingAvailable] == YES) 2     { 3         NSURL *fileURL = document.fileURL; // Document file URL 4  5         if ([UIPrintInteractionController canPrintURL:fileURL] == YES) 6         { 7             printInteraction = [UIPrintInteractionController sharedPrintController]; 8  9             UIPrintInfo *printInfo = [UIPrintInfo printInfo];10             printInfo.duplex = UIPrintInfoDuplexLongEdge;11             printInfo.outputType = UIPrintInfoOutputGeneral;12             printInfo.jobName = document.fileName;13 14             printInteraction.printInfo = printInfo;15             printInteraction.printingItem = fileURL;16             printInteraction.showsPageRange = YES;17 18             if (userInterfaceIdiom == UIUserInterfaceIdiomPad) // Large device printing19             {20                 [printInteraction presentFromRect:button.bounds inView:button animated:YES completionHandler:21                     ^(UIPrintInteractionController *pic, BOOL completed, NSError *error)22                     {23                         #ifdef DEBUG24                             if ((completed == NO) && (error != nil)) NSLog(@"%s %@", __FUNCTION__, error);25                         #endif26                     }27                 ];28             }29             else // Handle printing on small device30             {31                 [printInteraction presentAnimated:YES completionHandler:32                     ^(UIPrintInteractionController *pic, BOOL completed, NSError *error)33                     {34                         #ifdef DEBUG35                             if ((completed == NO) && (error != nil)) NSLog(@"%s %@", __FUNCTION__, error);36                         #endif37                     }38                 ];39             }40         }41     }

 

ios 調用印表機